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For weeks, people have searched for this post more than any other at EarthSky. No, there won’t be a green moon on April 20, 2018. It’s a joke, y’all, with its roots (ahem) in cannabis culture. :-)

TESS will launch on a SpaceX Falcon 9 rocket from Cape Canaveral Air Force Station in Florida. Lift-off is planned for no earlier than 6:32 p.m. EDT (10:32 p.m. UTC).

NASA held a public naming contest in 2015, just before New Horizons’ sweep past Pluto and Charon. The spacecraft mission team has used many of the Charon feature names since. Now the IAU gives the names the nod.

Could it be that the more rational and methodical searches for extraterrestrial intelligence are overlooking “the gorilla in the room?” A new study suggests it’s possible.

Telescope technology has come a long way. Here are 4 new amazing machines for observing the universe, both from space and from Earth.

When NASA first started planning the Kepler mission, no one knew if the universe held any planets outside our solar system. Thousands of exoplanets later, the search enters a new phase.

“I use the Heavens Above astronomy site or the Starry Night app to check on satellites … they are fun to spot.”

Launch window for Mars InSight opens May 5, 2018. It’ll be the 1st interplanetary mission to go up from the U.S. West Coast. NASA said: “InSight’s pre-dawn launch may be visible for more than 10 million Californians … “

On Thursday, 2 astronauts will perform a spacewalk. The spacewalk is scheduled to begin at about 12:10 UTC (8:10 a.m. EDT) and will last about 6.5 hours. How to watch live.